期刊
BIOLOGICAL PSYCHOLOGY
卷 94, 期 1, 页码 210-220出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.biopsycho.2013.05.014
关键词
Subjective and objective sleep indices; Factor analysis; Continuous probabilistic sleep model
资金
- Austrian Science Fund FWF (Fonds zur Forderung der wissenschaftlichen Forschung) [P19857]
- Slovak Research and Development Agency [APVV-0096-10]
- VEGA [1/0503/13]
- Austrian Science Fund (FWF) [P19857] Funding Source: Austrian Science Fund (FWF)
The main goal of this study was to investigate to what extent polysomnographic (PSG) recordings of nocturnal human sleep can provide information about sleep quality in terms of correlation with a set of daytime measures. These measures were designed with the aim of comprising selected quality of night sleep and consist of subjective sleep quality ratings, neuropsychological tests and physiological parameters. First, a factor analysis model was applied to the large number of daytime measures of sleep quality in order to detect their latent structure. Secondly, in addition to the gold standard sleep staging method to arrive at variables about sleep architecture from PSG, we applied a recently developed continuous sleep representation by considering the probabilistic sleep model (PSM) describing the microstructure of sleep. Significant correlations between sleep architecture and daytime variables of sleep quality were found. Both the factor analysis and the PSM helped maximize the information about this relationship. (C) 2013 The Authors. Published by Elsevier B. V. All rights reserved.
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